1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
A fluid is in streamline flow across a horizontal pipe of variable area of cross section. For this which of the following statements is correct?
A
The velocity is maximum at the narrowest part of the pipe and pressure is maximum at the widest part of the pipe.
B
Velocity and pressure both are maximum at the narrowest part of the pipe.
C
velocity and pressure both are maximum at the widest part of the pipe.
D
The velocity is minimum at the narrowest part of the pipe and the pressure is minimum at the widest part of the pipe.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The displacement 'x' (in meter) of a particle of mass 'm' (in kg) moving in one dimension under the action of a force, is related to time 't' (in sec) by t = $$\sqrt x + 3$$. The displacement of the particle when its velocity is zero, will be
A
4 m
B
0 m (zero)
C
6 m
D
2 m
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A bob is suspended from the roof of the car by a light wire of length 1.0 m. The angle made by the wire with the vertical is
A
$${\pi \over 3}$$
B
$${\pi \over 6}$$
C
$${\pi \over 4}$$
D
0o
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
A particle with total energy E is moving in a potential energy region U(x). Motion of the particle is restricted to the region when
A
U(x) < E
B
U(x) = 0
C
U(x) $$ \le $$ E
D
U(x) > E